Cisneros, M.; Barrero, N.; Caldera, P.; Encuentra, A.; Ortiz, E.; Paz, J. Á. Semiprecious Stones and Blue Glass: An Approach to the Imitation Phenomenon in Hispania During the Roman Period. In Sessions 2–3, Single Contributions; Heinzelmann, M., Bentz, M., Hrsg.; Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018; Propylaeum: Heidelberg, 2022; S. 493-505. https://doi.org/10.11588/propylaeum.999.c13380.